Data processing: software development – installation – and managem – Software program development tool – Translation of code
Reexamination Certificate
2006-11-14
2006-11-14
Chavis, John (Department: 2193)
Data processing: software development, installation, and managem
Software program development tool
Translation of code
Reexamination Certificate
active
07137110
ABSTRACT:
Profiling execution of a program. The program is coded in a mode-dependent instruction set. During a profile-quiescent execution interval, the profile circuitry records no profile information. After a triggering event is detected, the profile circuitry commences a profiled execution interval, and records profile information describing every profileable event during that interval. The profiled information includes at least all divergence of execution from sequential execution and processor mode changes not inferable from instruction opcode. The recorded profile information is efficiently tailored to annotate the profiled binary code with sufficient processor mode information to resolve mode-dependency, and indicates contiguous ranges of sequential instructions executed during a profiled interval by low and high boundaries of the contiguous ranges, indicating the high boundary by the address of the last byte. The profile information identifies each distinct physical page of instruction text executed during the interval.
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Hohensee Paul H.
Reese David L.
Yates, Jr. John S.
ATI International SRL
Boundy David E.
Chavis John
Willkie Farr & Gallagher LLP
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